The Collaborative International Dictionary of English v.0.48:
Trapeze \Tra*peze"\, n. [Cf. F. trap[`e]ze.] 1. (Geom.) A trapezium. See Trapezium, 1. [1913 Webster] 2. A swinging horizontal bar, suspended at each end by a rope; -- used by gymnasts. [1913 Webster]WordNet (r) 3.0 (2006):
trapeze n 1: a swing used by circus acrobats